1991 Renault R4 MOT Pass Rate
Pass rate for R4 models manufactured in 1991, based on 32 real MOT test results.
Data from official DVSA MOT testing records
1991 Renault R4 MOT Analysis
The 1991 Renault R4 has an MOT pass rate of 50.0% based on 32 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 107,891 miles on the odometer. With a 50.0% failure rate, the 1991 R4 is rated as "Very Poor" for MOT reliability.
The leading cause of MOT failure for the 1991 Renault R4 is Brakes, responsible for 6.3% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400.
Top failures specific to 1991 models only. The overall R4 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Brakes | 6.3% | 2 |
Failures per 10,000 Miles
avg. 107,891 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Brakes | 0.58 | 6.3% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1991 Renault R4 has an MOT pass rate of 50.0% based on 32 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 107,891 miles on the odometer. With a 50.0% failure rate, the 1991 R4 is rated as "Very Poor" for MOT reliability.
If you own or are considering buying a 1991 Renault R4, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to brakes: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm). With an average mileage of 107,891 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Brakes — 6.3% of failures
Brakes issues account for 6.3% of MOT failures on 1991 Renault R4 models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.